Series creator Darren Star told EW that they filmed the opening bus sequence with two wardrobe choices. In one version, actress Sarah Jessica Parker wears a blue dress and trips. In the other ― the version we all know and love ― she’s splashed by a bus while wearing a tutu.

Check out the opening credits you’ve seen a million times by now if you want to compare the two sequences:

Tina Fey, Alec Baldwin, Mahershala Ali, Amy Poehler and a whole host of other stars are teaming up for Stand for Rights: A Benefit for the ACLU. Join us at 7 p.m. Eastern on Friday, March 31, on Facebook Live.

You can support the ACLU right away. Text POWER to 20222 to give $10 to the ACLU. The ACLU will call you to explain other actions you can take to help. Visit www.hmgf.org/t for terms. #StandForRights2017